Simplify and factorize (a+b+c)^2 - (a-b-c)^2 +4b^2 -4c^2 – InterviewSolution

1.	Simplify and factorize (a+b+c)^2 - (a-b-c)^2 +4b^2 -4c^2
Answer» Simplify and factorize (a+b+c)^2 - (a-b-c)^2 +4b^2 -4c^2

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